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Tektronix Keithley 2601B-PULSE Reference Manual

Tektronix Keithley 2601B-PULSE
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Section 10: Instrument programming Model 2601B-PULSE System SourceMeter Instrument Reference Manual
10-24 2601B-PULSE-901-01A April 2020
For loops
There are two variations of for statements supported in Lua: Numeric and generic.
In a for loop, the loop expressions are evaluated once, before the loop starts.
The output you get from these examples may vary depending on the data format settings of the
instrument.
Example: Numeric for
list = {"One", "Two", "Three", "Four", "Five", "Six"}
---------- For loop -----------
print("Counting from one to three:")
for element = 1, 3 do
print(element, list[element])
end
print("Counting from one to four, in steps of two:")
for element = 1, 4, 2 do
print(element, list[element])
end
The numeric for loop repeats a block of code while a control variable runs through an arithmetic progression.
Output:
Counting from one to three:
1 One
2 Two
3 Three
Counting from one to four, in steps of two:
1 One
3 Three
Example: Generic for
days = {"Sunday",
"Monday", "Tuesday",
"Wednesday", "Thursday",
"Friday", "Saturday"}
for i, v in ipairs(days) do
print(days[i], i, v)
end
The generic for statement works by using functions called iterators. On each iteration, the iterator function is
called to produce a new value, stopping when this new value is nil.
Output:
Sunday 1 Sunday
Monday 2 Monday
Tuesday 3 Tuesday
Wednesday 4 Wednesday
Thursday 5 Thursday
Friday 6 Friday
Saturday 7 Saturday

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Tektronix Keithley 2601B-PULSE Specifications

General IconGeneral
BrandTektronix
ModelKeithley 2601B-PULSE
CategoryMeasuring Instruments
LanguageEnglish

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